UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = '7M1eLzv4D07+F5dZDbLDZGPO0E1CxA8FQWFedyKi26k=' 
WHERE 
  key_id = '3ce6e2ef594a1ff3b332d9779a9a7cfca961e516315a838a0d5233c3154869f7' 
  AND (
    token = '7M1eLzv4D07+F5dZDbLDZGPO0E1CxA8FQWFedyKi26k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )